Sarah and Holder’s investigation comes to a close. Meanwhile, Richmond sets out on a bold new course; and a surprise source helps bring closure to the Larsens.

A scientist who is working on developing a source of clean energy is found murdered. The list of suspects leads Kiera on a journey that takes her to a precarious place – deciding between the right thing to do and the preservation of the future.

Oblivious of the fact that Trevor approached Jessica, Mike’s on top of the world after Harvey entrusts him with closing a major lawsuit for the firm.

Carter’s romantic surprise for Allison turns deadly when they’re trapped in a sinking marine lab with time and oxygen quickly running out.

Sarah and Holder close in on the murderer. Meanwhile, the Richmond campaign preps for the election; and the Larsens seek to get their lives back in order.

Kiera and Carlos investigate a series of mysterious murders in which victims have been drained of endocrine fluid only to discover that the crimes were committed by Liber8 in an effort to save Travis, their leader. Kellog tries to make a truce with Kiera by delivering her a gift, one that could cost her and Carlos their lives and will lead to Kellog’s expulsion from Liber8.

Fargo is convinced that Holly is still inside of the Matrix computer, but the DOD is determined to wipe its hard drive clean — losing Dr. Marten forever.

Kiera tries to find the members of Liber8 before they do more damage. Her attempts are hindered when her cover is blown and her partner on the VPD, Carlos Fonnegra, arrests her. But when she discovers Liber8’s plan to attempt to get back to 2077, she has to escape and possibly ally herself with her sworn enemies to get back home.

Tyrion awakens to a changed situation. King Joffrey doles out rewards to his subjects. As Theon stirs his men to action, Luwin offers some final advice. Brienne silences Jaime. Arya receives a gift from Jaqen. Dany goes to a strange place. Jon proves himself to Qhorin.

A return to the casino winds up sending Sarah and Holder on the run, while Stan and Richmond face life-altering decisions.